RU97108455A - DEVICE FOR CONTROLLING INTEGRITY OF TURBINE ROTOR BLADES - Google Patents

DEVICE FOR CONTROLLING INTEGRITY OF TURBINE ROTOR BLADES

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Publication number
RU97108455A
RU97108455A RU97108455/06A RU97108455A RU97108455A RU 97108455 A RU97108455 A RU 97108455A RU 97108455/06 A RU97108455/06 A RU 97108455/06A RU 97108455 A RU97108455 A RU 97108455A RU 97108455 A RU97108455 A RU 97108455A
Authority
RU
Russia
Prior art keywords
operational amplifier
turbine rotor
blades
rotor blades
output
Prior art date
Application number
RU97108455/06A
Other languages
Russian (ru)
Other versions
RU2131598C1 (en
Inventor
С.И. Коршаковский
М.А. Красненков
В.Я. Маклашевский
Ю.Г. Путников
Original Assignee
Войсковая часть 75360
Filing date
Publication date
Application filed by Войсковая часть 75360 filed Critical Войсковая часть 75360
Priority to RU97108455A priority Critical patent/RU2131598C1/en
Priority claimed from RU97108455A external-priority patent/RU2131598C1/en
Publication of RU97108455A publication Critical patent/RU97108455A/en
Application granted granted Critical
Publication of RU2131598C1 publication Critical patent/RU2131598C1/en

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Claims (1)

Устройство для контроля целостности лопаток ротора турбины, содержащее два одинаковых индукционных датчика с постоянными магнитами и расположенными снаружи корпуса турбины и регистрирующим устройством, отличающееся тем, что устройство снабжено операционным усилителем с прямым и инверсным входами и одним выходом, причем выход первого индукционного датчика соединен с прямым входом операционного усилителя, и фазовращателем, включенным между вторым индукционным датчиком и инверсным входом операционного усилителя, причем индукционные датчики расположены диаметрально противоположно по отношению к продольной оси ротора, а фазовращатель осуществляет сдвиг фаз электрических сигналов с индукционных датчиков в пределах 0≤α≤π/N, где N - число лопаток ротора, причем при четном числе лопаток α≥0, при нечетном - ≤π/N, а выход операционного усилителя соединен с регистрирующим устройством.A device for monitoring the integrity of the blades of a turbine rotor, containing two identical induction sensors with permanent magnets and located outside the turbine housing and a recording device, characterized in that the device is equipped with an operational amplifier with direct and inverse inputs and one output, the output of the first induction sensor being connected to a direct the input of the operational amplifier, and the phase shifter connected between the second induction sensor and the inverse input of the operational amplifier, the sensors are diametrically opposed to the longitudinal axis of the rotor, and the phase shifter carries out a phase shift of the electrical signals from the induction sensors in the range 0≤α≤π / N, where N is the number of rotor blades, with even number of blades α≥0, with odd - ≤π / N, and the output of the operational amplifier is connected to a recording device.
RU97108455A 1997-05-22 1997-05-22 Device for condition inspection of turbine rotor blades RU2131598C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97108455A RU2131598C1 (en) 1997-05-22 1997-05-22 Device for condition inspection of turbine rotor blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97108455A RU2131598C1 (en) 1997-05-22 1997-05-22 Device for condition inspection of turbine rotor blades

Publications (2)

Publication Number Publication Date
RU97108455A true RU97108455A (en) 1999-05-10
RU2131598C1 RU2131598C1 (en) 1999-06-10

Family

ID=20193246

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97108455A RU2131598C1 (en) 1997-05-22 1997-05-22 Device for condition inspection of turbine rotor blades

Country Status (1)

Country Link
RU (1) RU2131598C1 (en)

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